Reaction catalyzed by cathepsin B (3.4.22.1)

		+		H2O	=			+
	5-amino-1-(phenylsulfonyl)-1H-pyrazol-3-yl thiophene-2-carboxylate	+		H2O	=		5-amino-1-(phenylsulfonyl)-1,2-dihydro-3H-pyrazol-3-one	+		thiophene-2-carbaldehyde